# ListTags
<a name="API_ListTags"></a>

Gets a list of tags for the specified AWS CloudHSM cluster.

This is a paginated operation, which means that each response might contain only a subset of all the tags. When the response contains only a subset of tags, it includes a `NextToken` value. Use this value in a subsequent `ListTags` request to get more tags. When you receive a response with no `NextToken` (or an empty or null value), that means there are no more tags to get.

 **Cross-account use:** No. You cannot perform this operation on an AWS CloudHSM resource in a different AWS account.

## Request Syntax
<a name="API_ListTags_RequestSyntax"></a>

```
{
   "MaxResults": {{number}},
   "NextToken": "{{string}}",
   "ResourceId": "{{string}}"
}
```

## Request Parameters
<a name="API_ListTags_RequestParameters"></a>

For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [MaxResults](#API_ListTags_RequestSyntax) **   <a name="CloudHSMV2-ListTags-request-MaxResults"></a>
The maximum number of tags to return in the response. When there are more tags than the number you specify, the response contains a `NextToken` value.  
Type: Integer  
Valid Range: Minimum value of 1. Maximum value of 100.  
Required: No

 ** [NextToken](#API_ListTags_RequestSyntax) **   <a name="CloudHSMV2-ListTags-request-NextToken"></a>
The `NextToken` value that you received in the previous response. Use this value to get more tags.  
Type: String  
Length Constraints: Maximum length of 256.  
Pattern: `.*`   
Required: No

 ** [ResourceId](#API_ListTags_RequestSyntax) **   <a name="CloudHSMV2-ListTags-request-ResourceId"></a>
The cluster identifier (ID) for the cluster whose tags you are getting. To find the cluster ID, use [DescribeClusters](API_DescribeClusters.md).  
Type: String  
Pattern: `(?:cluster|backup)-[2-7a-zA-Z]{11,16}`   
Required: Yes

## Response Syntax
<a name="API_ListTags_ResponseSyntax"></a>

```
{
   "NextToken": "string",
   "TagList": [ 
      { 
         "Key": "string",
         "Value": "string"
      }
   ]
}
```

## Response Elements
<a name="API_ListTags_ResponseElements"></a>

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

 ** [NextToken](#API_ListTags_ResponseSyntax) **   <a name="CloudHSMV2-ListTags-response-NextToken"></a>
An opaque string that indicates that the response contains only a subset of tags. Use this value in a subsequent `ListTags` request to get more tags.  
Type: String  
Length Constraints: Maximum length of 256.  
Pattern: `.*` 

 ** [TagList](#API_ListTags_ResponseSyntax) **   <a name="CloudHSMV2-ListTags-response-TagList"></a>
A list of tags.  
Type: Array of [Tag](API_Tag.md) objects  
Array Members: Minimum number of 1 item. Maximum number of 50 items.

## Errors
<a name="API_ListTags_Errors"></a>

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** CloudHsmAccessDeniedException **   
The request was rejected because the requester does not have permission to perform the requested operation.  
HTTP Status Code: 400

 ** CloudHsmInternalFailureException **   
The request was rejected because of an AWS CloudHSM internal failure. The request can be retried.  
HTTP Status Code: 500

 ** CloudHsmInvalidRequestException **   
The request was rejected because it is not a valid request.  
HTTP Status Code: 400

 ** CloudHsmResourceNotFoundException **   
The request was rejected because it refers to a resource that cannot be found.  
HTTP Status Code: 400

 ** CloudHsmServiceException **   
The request was rejected because an error occurred.  
HTTP Status Code: 400

 ** CloudHsmTagException **   
The request was rejected because of a tagging failure. Verify the tag conditions in all applicable policies, and then retry the request.  
HTTP Status Code: 400

## See Also
<a name="API_ListTags_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/cloudhsmv2-2017-04-28/ListTags) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/cloudhsmv2-2017-04-28/ListTags) 
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/cloudhsmv2-2017-04-28/ListTags) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/cloudhsmv2-2017-04-28/ListTags) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/cloudhsmv2-2017-04-28/ListTags) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/cloudhsmv2-2017-04-28/ListTags) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/cloudhsmv2-2017-04-28/ListTags) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/cloudhsmv2-2017-04-28/ListTags) 
+  [AWS SDK for Python (Boto3)](https://docs.aws.amazon.com/goto/boto3/cloudhsmv2-2017-04-28/ListTags) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/cloudhsmv2-2017-04-28/ListTags)